Features:

• Retrieves trouble codes from late model GM vehicles.
• Three tools in one.
• Tool retrieves codes from engine computer, rear wheel anti-lock brake computer, four wheel anti-lock brake computer.
• Key probes jump terminals on assembly line data link connector (ALDL) to activate trouble codes.
• Refer to a repair manual for proper code interpretation.
• Shipping weight 1 oz.
• Limited supply, this item has been discontinued by the manufacturer, when current stock is gone this item is not reorderable.

Lisle 22700 Computer Access Key, GM